TY  - BOOK
AU  - Ali, Mir Najabat 
TI  - Inventions that changed the world: part 2
SN  - 9788123720449
U1  - 609 Al411i 
PY  - 2019///
CY  - New Delhi
PB  - National Book Trust
KW  - Inventions
KW  - Social aspects
KW  - Children book
KW  - Discoveries in science
ER  -